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                  <h4>getdS</h4>Compute 2D surface elements matrix
                  <br><small>Last modified: 05-Nov-2010 13:09:58</small>

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                  <a href="http://guillaumemaze.googlecode.com/svn/trunk/matlab/codes/geophysic/getdS.m">Download here</a>
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                  <br>% getdS Compute 2D surface elements matrix<br>%<br>% [dS, dx, dy] = getdS(LATITUDE,LONGITUDE,[ISSYM,METHOD])<br>%<br>% Compute 2D surface elements matrix from geographical<br>% axis LATITUDE(northward) and LONGITUDE(eastward)<br>% <br>% Options:<br>%	ISSYM = 0/1 indicates if the longitudinal axis is zonaly<br>%		symetric or not (by default it's not: 0)<br>%	METHOD = 1/2 indicates the method to use when computing<br>%		distances between points (see routine lldist). By<br>%		default it's 2.<br>%<br>% Created: 2009-09-14.<br>% Rev. by Guillaume Maze on 2009-09-30: Added dx,dy optional output
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                  Last update: 2011 March 04, 17:46<br>
                  Created by Guillaume Maze<br>
                  More informations at: <a href="http://codes.guillaumemaze.org/matlab">codes.guillaumemaze.org/matlab</a><br>
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